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sudo apt-get update 不起作用

tag-icon • tag-icon ubuntu apt repository
sudo apt-get update 不起作用

我如何回到起点？ Ubuntu 安装归零？或者我该如何解决这个问题？

$ sudo apt-get update
[sudo] password for charlesbenjamin: 
Ign:1 http://ppa.launchpad.net/chris-lea/munin-plugins/ubuntu bionic InRelease
Ign:2 http://ppa.launchpad.net/chris-lea/node.js/ubuntu bionic InRelease
Err:3 http://ppa.launchpad.net/chris-lea/munin-plugins/ubuntu bionic Release
404  Not Found [IP: 91.189.95.83 80]
Err:4 http://ppa.launchpad.net/chris-lea/node.js/ubuntu bionic Release
404  Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/chris-lea/munin-plugins/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/chris-lea/node.js/ubuntu bionic Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

答案1

未找到 PPA；将其删除或从软件源中禁用。如果您打开软件源，请切换到另一个选项卡，然后找到包含“http://ppa.launchpad.net/chris-lea/munin-plugins" 您可以取消勾选以禁用或选择并删除以删除。

有关使用的完整详细信息请参见此处https://help.ubuntu.com/community/Repositories/Ubuntu

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